CVE-2019-11760 : A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling

A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Published 2020-01-08 20:15:13

Updated 2023-02-01 14:13:18

Source Mozilla Corporation

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2019-11760

Mozilla » Firefox
Versions before (<) 70.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions
Mozilla » Thunderbird
Versions before (<) 68.2
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Matching versions
Mozilla » Firefox Esr
Versions before (<) 68.2
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-11760

EPSS FAQ

0.58%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 78 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-11760

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-11760

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-11760

https://www.mozilla.org/security/advisories/mfsa2019-35/

Security vulnerabilities fixed in - Thunderbird 68.2 — Mozilla
Vendor Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2019-34/

Security vulnerabilities fixed in - Firefox 70 — Mozilla
Vendor Advisory

CVEs referencing this url
https://usn.ubuntu.com/4335-1/

USN-4335-1: Thunderbird vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2019-33/

Security vulnerabilities fixed in - Firefox ESR 68.2 — Mozilla
Vendor Advisory

CVEs referencing this url
https://bugzilla.mozilla.org/show_bug.cgi?id=1577719

Access Denied
Issue Tracking;Permissions Required
https://security.gentoo.org/glsa/202003-10

Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202003-10) — Gentoo security
Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2019-11760

Products affected by CVE-2019-11760

Exploit prediction scoring system (EPSS) score for CVE-2019-11760

CVSS scores for CVE-2019-11760

CWE ids for CVE-2019-11760

References for CVE-2019-11760